20794725

素因数分解:

$3^6\times 5^2\times 7^1\times {\mathrm{163}}^1$

素因数の和:198

約数の個数: 84

約数和(自身を含む): 44454496

約数和(自身を除く): 23659771

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 81, 105, 135, 163, 175, 189, 225, 243, 315, 405, 489, 525, 567, 675, 729, 815, 945, 1141, 1215, 1467, 1575, 1701, 2025, 2445, 2835, 3423, 3645, 4075, 4401, 4725, 5103, 5705, 6075, 7335, 8505, 10269, 12225, 13203, 14175, 17115, 18225, 22005, 25515, 28525, 30807, 36675, 39609, 42525, 51345, 66015, 85575, 92421, 110025, 118827, 127575, 154035, 198045, 256725, 277263, 330075, 462105, 594135, 770175, 831789, 990225, 1386315, 2310525, 2970675, 4158945, 6931575, 20794725]

約数ペア:

[(1, 20794725), (3, 6931575), (5, 4158945), (7, 2970675), (9, 2310525), (15, 1386315), (21, 990225), (25, 831789), (27, 770175), (35, 594135), (45, 462105), (63, 330075), (75, 277263), (81, 256725), (105, 198045), (135, 154035), (163, 127575), (175, 118827), (189, 110025), (225, 92421), (243, 85575), (315, 66015), (405, 51345), (489, 42525), (525, 39609), (567, 36675), (675, 30807), (729, 28525), (815, 25515), (945, 22005), (1141, 18225), (1215, 17115), (1467, 14175), (1575, 13203), (1701, 12225), (2025, 10269), (2445, 8505), (2835, 7335), (3423, 6075), (3645, 5705), (4075, 5103), (4401, 4725)]